body {
    background: url("img/B站高仿.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: 50% 50%;
}

* {
    margin: 0px;
    padding: 0px;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

section {
    width: 1044px;
    margin: 0 auto;
    height: 3000px;
}

header {
    height: 64px;
    width: 1266px;
    margin: 0 auto;
    background-color: rgb(255, 255, 255);
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
}

header>div {
    float: left;
    height: 64px;
}

.LEFT {
    width: 800px;
    height: 50px;
}

.表1 {
    height: 50px;
    width: 500px;
    float: left;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.zhong {
    height: 64px;
    width: 300px;
    justify-content: space-between;
    display: flex;
    float: left;
}

.RIGHT {
    width: 447px;
    height: 50px;
}

.sousuo {
    padding-top: 13px;
    padding-left: 90px;
    width: 100px;
}

#右上 {
    max-width: 400px;
    max-height: 100px;
}

section {
    width: 1044px;
    margin: 8px auto;
    height: 3000px;
    display: block;
    position: relative;
    z-index: 1;
    background-color: rgba(0, 0, 0, 0)
}

section>div {
    float: left;
    background-color: rgba(0, 0, 0, 0);
}

.left {
    width: 194px;
    height: 3000px;
}

.left_1 {
    height: 144px;
    background-color: rgb(255, 255, 255);
}

.left_2 {
    height: 192px;
    background-color: rgb(255, 255, 255);
    position: sticky;
    top: 72px;
    border: 2px solid #e6a7e2;
}

.表4 {
    height: 24px;
    width: 194px;
    justify-content: space-around;
    display: flex;
    float: left;
    align-items: center;
    margin-top: 15px;
}

#under {
    max-width: 100%;
    max-height: 100%;
}

.left>div:nth-child(-n+2) {
    margin-bottom: 8px;
}

.img {
    display: flex;
}

.center {
    width: 556px;
    margin-right: 24px;
    margin-left: 24px;
}

.center_1 {
    height: 174px;
    background-color: rgb(255, 255, 255);
}

.center_2 {
    height: 119px;
    background-color: rgb(255, 255, 255);
}

.center_3 {
    height: 48px;
    background-color: rgb(255, 255, 255);
    border: 2px solid #e6a7e2;

}

.表3 {
    height: 48px;
    width: 300px;
    justify-content: space-around;
    display: flex;
    float: left;
    align-items: center;
}

.center_4 {
    height: 42px;
    background-color: rgb(255, 255, 255);
}

.center_5 {
    height: 236px;
    background-color: rgb(255, 255, 255);
}

.center_6 {
    height: 300px;
    background-color: rgb(255, 255, 255);
}

.center>div:nth-child(-n+9) {
    margin-bottom: 8px;
}

.right {
    height: 3000px;
    width: 246px;
}

.right>div {
    background-color: rgb(255, 255, 255);
}

.right>div:nth-child(-n+1) {
    margin-bottom: 8px;
}

.rihght_1 {
    height: 143px;
}

.rihght_2 {
    height: 623px;
    position: sticky;
    top: 72px;
}

#logo {
    max-width: 68px;
    max-height: 68px;
}

#L1 {
    max-width: 100%;
    max-height: 100%;
}

#R1 {
    max-width: 100%;
    max-height: 100%;
}

#R2 {
    max-width: 100%;
    max-height: 100%;
}